Dear colleagues, does anyone know of any scientific reason (apart from the fact that there will be a fibrinogen band on protein electrophoresis), why plasma should not be used for quantitation of immunoglobulins and IgG subclasses? Ian Barlow Scunthorpe UK ------ACB discussion List Information-------- This is an open discussion list for the academic and clinical community working in clinical biochemistry. Please note, archived messages are public and can be viewed via the internet. Views expressed are those of the individual and they are responsible for all message content. ACB Web Site http://www.acb.org.uk List Archives http://www.jiscmail.ac.uk/lists/ACB-CLIN-CHEM-GEN.html List Instructions (How to leave etc.) http://www.jiscmail.ac.uk/